Bug 1590994 – CVE-2018-12265 exiv2: integer overflow in the LoaderExifJpeg class in preview.cpp

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Bug 1590994 - (CVE-2018-12265) CVE-2018-12265 exiv2: integer overflow in the LoaderExifJpeg class in preview.cpp

Summary:	CVE-2018-12265 exiv2: integer overflow in the LoaderExifJpeg class in preview...

Status:	NEW

Aliases:	CVE-2018-12265

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
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Assigned To:	Red Hat Product Security
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Whiteboard:	impact=low,public=20180611,reported=2...
Keywords:	Security

Depends On:	1591684 1590997 1590998
Blocks:	1591000
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Reported:	2018-06-13 17:20 EDT by Laura Pardo
Modified:	2018-06-15 05:30 EDT (History)
CC List:	3 users (show)

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Description Laura Pardo 2018-06-13 17:20:56 EDT

Exiv2 0.26 has an integer overflow in the LoaderExifJpeg class in preview.cpp, leading to an out-of-bounds read in Exiv2::MemIo::read in basicio.cpp.


References:
https://github.com/Exiv2/exiv2/issues/365
https://github.com/TeamSeri0us/pocs/blob/master/exiv2/1-out-of-read-Poc 

Patch:
https://github.com/Exiv2/exiv2/commit/341de4500ab993103c215bfb07d43d4a08654ac4

Comment 1 Laura Pardo 2018-06-13 17:21:34 EDT

Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1590998]

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